Home / 1,279,272.60-1,765,423.71-706,348.98

Finding the Fourth Proportional to 1,279,272.60, 1,765,423.71 and 706,348.98

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Solution

The fourth proportional to 1,279,272.60, 1,765,423.71 and 706,348.98 is: 974,776.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,272.60 : 1,765,423.71 = 706,348.98 : x
  2. Step 2: Convert to fraction form
    1,279,272.60/1,765,423.71 = 706,348.98/x
  3. Step 3: Cross multiply
    1,279,272.60x = 1,765,423.71 × 706,348.98
  4. Step 4: Simplify right side
    1,279,272.60x = 1,247,005,236,826.32
  5. Step 5: Solve for x
    x = 1,247,005,236,826.32/1,279,272.60
  6. Step 6: Final answer
    x = 974,776.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.